45642891463 has 4 divisors (see below), whose sum is σ = 49153883128. Its totient is φ = 42131899800.

The previous prime is 45642891391. The next prime is 45642891467. The reversal of 45642891463 is 36419824654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45642891463 - 2¹⁷ = 45642760391 is a prime.

It is a super-2 number, since 2×45642891463² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45642891463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45642891467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755495813 + ... + 1755495838.

It is an arithmetic number, because the mean of its divisors is an integer number (12288470782).

Almost surely, 2^45642891463 is an apocalyptic number.

45642891463 is a deficient number, since it is larger than the sum of its proper divisors (3510991665).

45642891463 is a wasteful number, since it uses less digits than its factorization.

45642891463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510991664.

The product of its digits is 4976640, while the sum is 52.

The spelling of 45642891463 in words is "forty-five billion, six hundred forty-two million, eight hundred ninety-one thousand, four hundred sixty-three".