45697782421491 has 32 divisors (see below), whose sum is σ = 64767759252480. Its totient is φ = 28560573628416.

The previous prime is 45697782421439. The next prime is 45697782421553. The reversal of 45697782421491 is 19412428779654.

It is not a de Polignac number, because 45697782421491 - 2⁷ = 45697782421363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45697782421411) 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, 676379170 + ... + 676446728.

It is an arithmetic number, because the mean of its divisors is an integer number (2023992476640).

Almost surely, 2^{45697782421491} is an apocalyptic number.

45697782421491 is a deficient number, since it is larger than the sum of its proper divisors (19069976830989).

45697782421491 is a wasteful number, since it uses less digits than its factorization.

45697782421491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119443.

The product of its digits is 243855360, while the sum is 69.

The spelling of 45697782421491 in words is "forty-five trillion, six hundred ninety-seven billion, seven hundred eighty-two million, four hundred twenty-one thousand, four hundred ninety-one".