64060902693 has 6 divisors (see below), whose sum is σ = 92532415014. Its totient is φ = 42707268456.

The previous prime is 64060902679. The next prime is 64060902709. The reversal of 64060902693 is 39620906046.

It can be written as a sum of positive squares in only one way, i.e., 47461672449 + 16599230244 = 217857^2 + 128838^2 .

It is not a de Polignac number, because 64060902693 - 2⁴ = 64060902677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64060902673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3558939030 + ... + 3558939047.

It is an arithmetic number, because the mean of its divisors is an integer number (15422069169).

Almost surely, 2^64060902693 is an apocalyptic number.

It is an amenable number.

64060902693 is a deficient number, since it is larger than the sum of its proper divisors (28471512321).

64060902693 is a wasteful number, since it uses less digits than its factorization.

64060902693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117878083 (or 7117878080 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 64060902693 in words is "sixty-four billion, sixty million, nine hundred two thousand, six hundred ninety-three".