451613609990 has 32 divisors (see below), whose sum is σ = 860755810464. Its totient is φ = 170012643840.

The previous prime is 451613609989. The next prime is 451613610089. The reversal of 451613609990 is 99906316154.

It is a happy number.

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, 8654357 + ... + 8706383.

It is an arithmetic number, because the mean of its divisors is an integer number (26898619077).

Almost surely, 2^451613609990 is an apocalyptic number.

451613609990 is a deficient number, since it is larger than the sum of its proper divisors (409142200474).

451613609990 is a wasteful number, since it uses less digits than its factorization.

451613609990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103112.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 451613609990 in words is "four hundred fifty-one billion, six hundred thirteen million, six hundred nine thousand, nine hundred ninety".