45991779002 has 16 divisors (see below), whose sum is σ = 75553642080. Its totient is φ = 20867194992.

The previous prime is 45991778981. The next prime is 45991779007. The reversal of 45991779002 is 20097719954.

It is not an unprimeable number, because it can be changed into a prime (45991779007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14989268 + ... + 14992335.

It is an arithmetic number, because the mean of its divisors is an integer number (4722102630).

Almost surely, 2^45991779002 is an apocalyptic number.

45991779002 is a deficient number, since it is larger than the sum of its proper divisors (29561863078).

45991779002 is a wasteful number, since it uses less digits than its factorization.

45991779002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29981677.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 45991779002 in words is "forty-five billion, nine hundred ninety-one million, seven hundred seventy-nine thousand, two".