13777652612 has 6 divisors (see below), whose sum is σ = 24110892078. Its totient is φ = 6888826304.

The previous prime is 13777652599. The next prime is 13777652621. The reversal of 13777652612 is 21625677731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7316065156 + 6461587456 = 85534^2 + 80384^2 .

It is a super-2 number, since 2×13777652612² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722206573 + ... + 1722206580.

It is an arithmetic number, because the mean of its divisors is an integer number (4018482013).

Almost surely, 2^13777652612 is an apocalyptic number.

It is an amenable number.

13777652612 is a deficient number, since it is larger than the sum of its proper divisors (10333239466).

13777652612 is a wasteful number, since it uses less digits than its factorization.

13777652612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444413157 (or 3444413155 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The spelling of 13777652612 in words is "thirteen billion, seven hundred seventy-seven million, six hundred fifty-two thousand, six hundred twelve".