974401495797 has 4 divisors (see below), whose sum is σ = 1299201994400. Its totient is φ = 649600997196.

The previous prime is 974401495789. The next prime is 974401495801. The reversal of 974401495797 is 797594104479.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 974401495797 - 2³ = 974401495789 is a prime.

It is a super-2 number, since 2×974401495797² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974401495787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162400249297 + ... + 162400249302.

It is an arithmetic number, because the mean of its divisors is an integer number (324800498600).

Almost surely, 2^974401495797 is an apocalyptic number.

It is an amenable number.

974401495797 is a deficient number, since it is larger than the sum of its proper divisors (324800498603).

974401495797 is a wasteful number, since it uses less digits than its factorization.

974401495797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324800498602.

The product of its (nonzero) digits is 80015040, while the sum is 66.

The spelling of 974401495797 in words is "nine hundred seventy-four billion, four hundred one million, four hundred ninety-five thousand, seven hundred ninety-seven".