61295960249 has 16 divisors (see below), whose sum is σ = 66729062400. Its totient is φ = 56114841744.

The previous prime is 61295960237. The next prime is 61295960269. The reversal of 61295960249 is 94206959216.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61295960249 - 2⁴ = 61295960233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61295960249.

It is not an unprimeable number, because it can be changed into a prime (61295960269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363887 + ... + 504980.

It is an arithmetic number, because the mean of its divisors is an integer number (4170566400).

Almost surely, 2^61295960249 is an apocalyptic number.

It is an amenable number.

61295960249 is a deficient number, since it is larger than the sum of its proper divisors (5433102151).

61295960249 is a wasteful number, since it uses less digits than its factorization.

61295960249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869012.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 61295960249 in words is "sixty-one billion, two hundred ninety-five million, nine hundred sixty thousand, two hundred forty-nine".