10121679654 has 32 divisors (see below), whose sum is σ = 20351837184. Its totient is φ = 3355840800.

The previous prime is 10121679653. The next prime is 10121679683. The reversal of 10121679654 is 45697612101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121679653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1981704 + ... + 1986804.

It is an arithmetic number, because the mean of its divisors is an integer number (635994912).

Almost surely, 2^10121679654 is an apocalyptic number.

10121679654 is an abundant number, since it is smaller than the sum of its proper divisors (10230157530).

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

10121679654 is a wasteful number, since it uses less digits than its factorization.

10121679654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 10121679654 in words is "ten billion, one hundred twenty-one million, six hundred seventy-nine thousand, six hundred fifty-four".