62651590091 has 2 divisors, whose sum is σ = 62651590092. Its totient is φ = 62651590090.

The previous prime is 62651590051. The next prime is 62651590097. The reversal of 62651590091 is 19009515626.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62651590091 is a prime.

It is not a weakly prime, because it can be changed into another prime (62651590097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31325795045 + 31325795046.

It is an arithmetic number, because the mean of its divisors is an integer number (31325795046).

Almost surely, 2^62651590091 is an apocalyptic number.

62651590091 is a deficient number, since it is larger than the sum of its proper divisors (1).

62651590091 is an equidigital number, since it uses as much as digits as its factorization.

62651590091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 62651590091 in words is "sixty-two billion, six hundred fifty-one million, five hundred ninety thousand, ninety-one".