10197551479 has 4 divisors (see below), whose sum is σ = 10198172376. Its totient is φ = 10196930584.

The previous prime is 10197551477. The next prime is 10197551489. The reversal of 10197551479 is 97415579101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10197551479 - 2¹ = 10197551477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10197551471) 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, 285124 + ... + 318889.

It is an arithmetic number, because the mean of its divisors is an integer number (2549543094).

Almost surely, 2^10197551479 is an apocalyptic number.

10197551479 is a deficient number, since it is larger than the sum of its proper divisors (620897).

10197551479 is an equidigital number, since it uses as much as digits as its factorization.

10197551479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620896.

The product of its (nonzero) digits is 396900, while the sum is 49.

The spelling of 10197551479 in words is "ten billion, one hundred ninety-seven million, five hundred fifty-one thousand, four hundred seventy-nine".