906131928761 has 2 divisors, whose sum is σ = 906131928762. Its totient is φ = 906131928760.

The previous prime is 906131928719. The next prime is 906131928769. The reversal of 906131928761 is 167829131609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890692375225 + 15439553536 = 943765^2 + 124256^2 .

It is a cyclic number.

It is not a de Polignac number, because 906131928761 - 2³⁸ = 631254021817 is a prime.

It is a super-3 number, since 3×906131928761³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (906131928769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453065964380 + 453065964381.

It is an arithmetic number, because the mean of its divisors is an integer number (453065964381).

Almost surely, 2^906131928761 is an apocalyptic number.

It is an amenable number.

906131928761 is a deficient number, since it is larger than the sum of its proper divisors (1).

906131928761 is an equidigital number, since it uses as much as digits as its factorization.

906131928761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 906131928761 in words is "nine hundred six billion, one hundred thirty-one million, nine hundred twenty-eight thousand, seven hundred sixty-one".