61299479654 has 8 divisors (see below), whose sum is σ = 105084822288. Its totient is φ = 26271205560.

The previous prime is 61299479651. The next prime is 61299479677. The reversal of 61299479654 is 45697499216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61299479651) 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, 2189267117 + ... + 2189267144.

It is an arithmetic number, because the mean of its divisors is an integer number (13135602786).

Almost surely, 2^61299479654 is an apocalyptic number.

61299479654 is a deficient number, since it is larger than the sum of its proper divisors (43785342634).

61299479654 is a wasteful number, since it uses less digits than its factorization.

61299479654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378534270.

The product of its digits is 29393280, while the sum is 62.

The spelling of 61299479654 in words is "sixty-one billion, two hundred ninety-nine million, four hundred seventy-nine thousand, six hundred fifty-four".