45537389798 has 32 divisors (see below), whose sum is σ = 72075571200. Its totient is φ = 21545686080.

The previous prime is 45537389789. The next prime is 45537389831. The reversal of 45537389798 is 89798373554.

It is a super-2 number, since 2×45537389798² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469853 + ... + 3482951.

It is an arithmetic number, because the mean of its divisors is an integer number (2252361600).

Almost surely, 2^45537389798 is an apocalyptic number.

45537389798 is a deficient number, since it is larger than the sum of its proper divisors (26538181402).

45537389798 is a wasteful number, since it uses less digits than its factorization.

45537389798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372.

The product of its digits is 228614400, while the sum is 68.

The spelling of 45537389798 in words is "forty-five billion, five hundred thirty-seven million, three hundred eighty-nine thousand, seven hundred ninety-eight".