61862289292 has 24 divisors (see below), whose sum is σ = 108510554880. Its totient is φ = 30859334400.

The previous prime is 61862289263. The next prime is 61862289331. The reversal of 61862289292 is 29298226816.

It is a happy number.

It is a super-2 number, since 2×61862289292² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4982292 + ... + 4994692.

It is an arithmetic number, because the mean of its divisors is an integer number (4521273120).

Almost surely, 2^61862289292 is an apocalyptic number.

It is an amenable number.

61862289292 is a deficient number, since it is larger than the sum of its proper divisors (46648265588).

61862289292 is a wasteful number, since it uses less digits than its factorization.

61862289292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15201 (or 15199 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The spelling of 61862289292 in words is "sixty-one billion, eight hundred sixty-two million, two hundred eighty-nine thousand, two hundred ninety-two".