61992250007 has 2 divisors, whose sum is σ = 61992250008. Its totient is φ = 61992250006.

The previous prime is 61992249989. The next prime is 61992250013. The reversal of 61992250007 is 70005229916.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61992250007 - 2¹² = 61992245911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61992250097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30996125003 + 30996125004.

It is an arithmetic number, because the mean of its divisors is an integer number (30996125004).

Almost surely, 2^61992250007 is an apocalyptic number.

61992250007 is a deficient number, since it is larger than the sum of its proper divisors (1).

61992250007 is an equidigital number, since it uses as much as digits as its factorization.

61992250007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 61992250007 in words is "sixty-one billion, nine hundred ninety-two million, two hundred fifty thousand, seven".