537471990945 has 32 divisors (see below), whose sum is σ = 971169805440. Its totient is φ = 281952515520.

The previous prime is 537471990931. The next prime is 537471990977. The reversal of 537471990945 is 549099174735.

537471990945 is a `hidden beast` number, since 5 + 37 + 471 + 9 + 90 + 9 + 45 = 666.

It is not a de Polignac number, because 537471990945 - 2⁸ = 537471990689 is a prime.

It is a super-2 number, since 2×537471990945² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32625159 + ... + 32641628.

It is an arithmetic number, because the mean of its divisors is an integer number (30349056420).

Almost surely, 2^537471990945 is an apocalyptic number.

It is an amenable number.

537471990945 is a deficient number, since it is larger than the sum of its proper divisors (433697814495).

537471990945 is a wasteful number, since it uses less digits than its factorization.

537471990945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65266862 (or 65266856 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 537471990945 in words is "five hundred thirty-seven billion, four hundred seventy-one million, nine hundred ninety thousand, nine hundred forty-five".