36531630457 has 32 divisors (see below), whose sum is σ = 45038568960. Its totient is φ = 28952225280.

The previous prime is 36531630439. The next prime is 36531630461. The reversal of 36531630457 is 75403613563.

It is a cyclic number.

It is not a de Polignac number, because 36531630457 - 2¹⁵ = 36531597689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36531630257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694123 + ... + 744895.

It is an arithmetic number, because the mean of its divisors is an integer number (1407455280).

Almost surely, 2^36531630457 is an apocalyptic number.

It is an amenable number.

36531630457 is a deficient number, since it is larger than the sum of its proper divisors (8506938503).

36531630457 is a wasteful number, since it uses less digits than its factorization.

36531630457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50953.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 36531630457 in words is "thirty-six billion, five hundred thirty-one million, six hundred thirty thousand, four hundred fifty-seven".