45484643881 has 2 divisors, whose sum is σ = 45484643882. Its totient is φ = 45484643880.

The previous prime is 45484643861. The next prime is 45484643923. The reversal of 45484643881 is 18834648454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45088275600 + 396368281 = 212340^2 + 19909^2 .

It is a cyclic number.

It is not a de Polignac number, because 45484643881 - 2¹¹ = 45484641833 is a prime.

It is a super-2 number, since 2×45484643881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45484643801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22742321940 + 22742321941.

It is an arithmetic number, because the mean of its divisors is an integer number (22742321941).

Almost surely, 2^45484643881 is an apocalyptic number.

It is an amenable number.

45484643881 is a deficient number, since it is larger than the sum of its proper divisors (1).

45484643881 is an equidigital number, since it uses as much as digits as its factorization.

45484643881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11796480, while the sum is 55.

The spelling of 45484643881 in words is "forty-five billion, four hundred eighty-four million, six hundred forty-three thousand, eight hundred eighty-one".