2150405664731 has 2 divisors, whose sum is σ = 2150405664732. Its totient is φ = 2150405664730.

The previous prime is 2150405664727. The next prime is 2150405664811. The reversal of 2150405664731 is 1374665040512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2150405664731 - 2² = 2150405664727 is a prime.

It is a super-2 number, since 2×2150405664731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2150405664031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075202832365 + 1075202832366.

It is an arithmetic number, because the mean of its divisors is an integer number (1075202832366).

Almost surely, 2^{2150405664731} is an apocalyptic number.

2150405664731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150405664731 is an equidigital number, since it uses as much as digits as its factorization.

2150405664731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 2150405664731 in words is "two trillion, one hundred fifty billion, four hundred five million, six hundred sixty-four thousand, seven hundred thirty-one".