697650290425 has 12 divisors (see below), whose sum is σ = 943730575056. Its totient is φ = 507382029200.

The previous prime is 697650290401. The next prime is 697650290461. The reversal of 697650290425 is 524092056796.

It is a de Polignac number, because none of the positive numbers 2^k-697650290425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268454799 + ... + 1268455348.

It is an arithmetic number, because the mean of its divisors is an integer number (78644214588).

Almost surely, 2^697650290425 is an apocalyptic number.

It is an amenable number.

697650290425 is a deficient number, since it is larger than the sum of its proper divisors (246080284631).

697650290425 is a wasteful number, since it uses less digits than its factorization.

697650290425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536910168 (or 2536910163 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 697650290425 in words is "six hundred ninety-seven billion, six hundred fifty million, two hundred ninety thousand, four hundred twenty-five".