291492677342 has 16 divisors (see below), whose sum is σ = 440521990800. Its totient is φ = 144654455232.

The previous prime is 291492677323. The next prime is 291492677351. The reversal of 291492677342 is 243776294192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370967 + ... + 848882.

It is an arithmetic number, because the mean of its divisors is an integer number (27532624425).

Almost surely, 2^291492677342 is an apocalyptic number.

291492677342 is a deficient number, since it is larger than the sum of its proper divisors (149029313458).

291492677342 is a wasteful number, since it uses less digits than its factorization.

291492677342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220747.

The product of its digits is 9144576, while the sum is 56.

The spelling of 291492677342 in words is "two hundred ninety-one billion, four hundred ninety-two million, six hundred seventy-seven thousand, three hundred forty-two".