901795679491 has 12 divisors (see below), whose sum is σ = 1049474726328. Its totient is φ = 772638283872.

The previous prime is 901795679483. The next prime is 901795679501. The reversal of 901795679491 is 194976597109.

901795679491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 901795679491 - 2³ = 901795679483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (901795679891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3805746 + ... + 4035751.

It is an arithmetic number, because the mean of its divisors is an integer number (87456227194).

Almost surely, 2^901795679491 is an apocalyptic number.

901795679491 is a deficient number, since it is larger than the sum of its proper divisors (147679046837).

901795679491 is a wasteful number, since it uses less digits than its factorization.

901795679491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7843858 (or 7843851 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 67.

The spelling of 901795679491 in words is "nine hundred one billion, seven hundred ninety-five million, six hundred seventy-nine thousand, four hundred ninety-one".