61453073190 has 64 divisors (see below), whose sum is σ = 151524812736. Its totient is φ = 15939182592.

The previous prime is 61453073183. The next prime is 61453073219. The reversal of 61453073190 is 9137035416.

It is a super-2 number, since 2×61453073190² (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 31 ways as a sum of consecutive naturals, for example, 4069494 + ... + 4084566.

It is an arithmetic number, because the mean of its divisors is an integer number (2367575199).

Almost surely, 2^61453073190 is an apocalyptic number.

61453073190 is an abundant number, since it is smaller than the sum of its proper divisors (90071739546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61453073190 is a wasteful number, since it uses less digits than its factorization.

61453073190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18793.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 61453073190 in words is "sixty-one billion, four hundred fifty-three million, seventy-three thousand, one hundred ninety".