3437699425 has 6 divisors (see below), whose sum is σ = 4262747318. Its totient is φ = 2750159520.

The previous prime is 3437699423. The next prime is 3437699437. The reversal of 3437699425 is 5249967343.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 317694976 + 3120004449 = 17824^2 + 55857^2 .

It is not a de Polignac number, because 3437699425 - 2¹ = 3437699423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3437699423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68753964 + ... + 68754013.

Almost surely, 2^3437699425 is an apocalyptic number.

It is an amenable number.

3437699425 is a deficient number, since it is larger than the sum of its proper divisors (825047893).

3437699425 is a wasteful number, since it uses less digits than its factorization.

3437699425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137507987 (or 137507982 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 52.

The square root of 3437699425 is about 58631.8976752416. The cubic root of 3437699425 is about 1509.2318688710.

The spelling of 3437699425 in words is "three billion, four hundred thirty-seven million, six hundred ninety-nine thousand, four hundred twenty-five".