2291347965076 has 24 divisors (see below), whose sum is σ = 4046765261000. Its totient is φ = 1135129935744.

The previous prime is 2291347965043. The next prime is 2291347965103. The reversal of 2291347965076 is 6705697431922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 970402308100 + 1320945656976 = 985090^2 + 1149324^2 .

It is a super-2 number, since 2×2291347965076² (a number of 26 digits) contains 22 as substring.

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, 22179670 + ... + 22282738.

Almost surely, 2^{2291347965076} is an apocalyptic number.

It is an amenable number.

2291347965076 is a deficient number, since it is larger than the sum of its proper divisors (1755417295924).

2291347965076 is a wasteful number, since it uses less digits than its factorization.

2291347965076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154171 (or 154169 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 2291347965076 in words is "two trillion, two hundred ninety-one billion, three hundred forty-seven million, nine hundred sixty-five thousand, seventy-six".