61197260699 has 4 divisors (see below), whose sum is σ = 61319901000. Its totient is φ = 61074620400.

The previous prime is 61197260689. The next prime is 61197260711. The reversal of 61197260699 is 99606279116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61197260699 - 2³² = 56902293403 is a prime.

It is a super-2 number, since 2×61197260699² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61197260609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61319402 + ... + 61320399.

It is an arithmetic number, because the mean of its divisors is an integer number (15329975250).

Almost surely, 2^61197260699 is an apocalyptic number.

61197260699 is a deficient number, since it is larger than the sum of its proper divisors (122640301).

61197260699 is a wasteful number, since it uses less digits than its factorization.

61197260699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122640300.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 61197260699 in words is "sixty-one billion, one hundred ninety-seven million, two hundred sixty thousand, six hundred ninety-nine".