62400523609 has 2 divisors, whose sum is σ = 62400523610. Its totient is φ = 62400523608.

The previous prime is 62400523519. The next prime is 62400523613. The reversal of 62400523609 is 90632500426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47144568384 + 15255955225 = 217128^2 + 123515^2 .

It is a cyclic number.

It is not a de Polignac number, because 62400523609 - 2²¹ = 62398426457 is a prime.

It is not a weakly prime, because it can be changed into another prime (62400523649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31200261804 + 31200261805.

It is an arithmetic number, because the mean of its divisors is an integer number (31200261805).

Almost surely, 2^62400523609 is an apocalyptic number.

It is an amenable number.

62400523609 is a deficient number, since it is larger than the sum of its proper divisors (1).

62400523609 is an equidigital number, since it uses as much as digits as its factorization.

62400523609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 62400523609 in words is "sixty-two billion, four hundred million, five hundred twenty-three thousand, six hundred nine".