1961484570 has 48 divisors (see below), whose sum is σ = 5368278240. Its totient is φ = 495532512.

The previous prime is 1961484557. The next prime is 1961484583. The reversal of 1961484570 is 754841691.

1961484570 is a `hidden beast` number, since 19 + 61 + 4 + 8 + 4 + 570 = 666.

It is an interprime number because it is at equal distance from previous prime (1961484557) and next prime (1961484583).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571824 + ... + 575243.

It is an arithmetic number, because the mean of its divisors is an integer number (111839130).

Almost surely, 2^1961484570 is an apocalyptic number.

1961484570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961484570 is an abundant number, since it is smaller than the sum of its proper divisors (3406793670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1961484570 is a wasteful number, since it uses less digits than its factorization.

1961484570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147099 (or 1147096 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1961484570 is about 44288.6505777722. The cubic root of 1961484570 is about 1251.7808366252.

The spelling of 1961484570 in words is "one billion, nine hundred sixty-one million, four hundred eighty-four thousand, five hundred seventy".