61958914297 has 16 divisors (see below), whose sum is σ = 74620484352. Its totient is φ = 50295643200.

The previous prime is 61958914273. The next prime is 61958914337. The reversal of 61958914297 is 79241985916.

It is a cyclic number.

It is not a de Polignac number, because 61958914297 - 2⁷ = 61958914169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61958914217) 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, 1888878 + ... + 1921399.

It is an arithmetic number, because the mean of its divisors is an integer number (4663780272).

Almost surely, 2^61958914297 is an apocalyptic number.

It is an amenable number.

61958914297 is a deficient number, since it is larger than the sum of its proper divisors (12661570055).

61958914297 is a wasteful number, since it uses less digits than its factorization.

61958914297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810408.

The product of its digits is 9797760, while the sum is 61.

The spelling of 61958914297 in words is "sixty-one billion, nine hundred fifty-eight million, nine hundred fourteen thousand, two hundred ninety-seven".