45981391874 has 8 divisors (see below), whose sum is σ = 75242277648. Its totient is φ = 20900632660.

The previous prime is 45981391871. The next prime is 45981391891. The reversal of 45981391874 is 47819318954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45981391874² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45981391871) 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, 1045031612 + ... + 1045031655.

It is an arithmetic number, because the mean of its divisors is an integer number (9405284706).

Almost surely, 2^45981391874 is an apocalyptic number.

45981391874 is a deficient number, since it is larger than the sum of its proper divisors (29260885774).

45981391874 is a wasteful number, since it uses less digits than its factorization.

45981391874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090063280.

The product of its digits is 8709120, while the sum is 59.

The spelling of 45981391874 in words is "forty-five billion, nine hundred eighty-one million, three hundred ninety-one thousand, eight hundred seventy-four".