974738619761 has 4 divisors (see below), whose sum is σ = 1026040652400. Its totient is φ = 923436587124.

The previous prime is 974738619737. The next prime is 974738619821. The reversal of 974738619761 is 167916837479.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974738619761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974738619691 and 974738619700.

It is not an unprimeable number, because it can be changed into a prime (974738619661) 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, 25651016291 + ... + 25651016328.

It is an arithmetic number, because the mean of its divisors is an integer number (256510163100).

Almost surely, 2^974738619761 is an apocalyptic number.

It is an amenable number.

974738619761 is a deficient number, since it is larger than the sum of its proper divisors (51302032639).

974738619761 is a wasteful number, since it uses less digits than its factorization.

974738619761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51302032638.

The product of its digits is 96018048, while the sum is 68.

The spelling of 974738619761 in words is "nine hundred seventy-four billion, seven hundred thirty-eight million, six hundred nineteen thousand, seven hundred sixty-one".