67537916379 has 6 divisors (see below), whose sum is σ = 97554768116. Its totient is φ = 45025277580.

The previous prime is 67537916351. The next prime is 67537916399. The reversal of 67537916379 is 97361973576.

67537916379 is a `hidden beast` number, since 6 + 7 + 537 + 91 + 6 + 3 + 7 + 9 = 666.

It is not a de Polignac number, because 67537916379 - 2⁹ = 67537915867 is a prime.

It is a super-2 number, since 2×67537916379² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67537916309) 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, 3752106457 + ... + 3752106474.

Almost surely, 2^67537916379 is an apocalyptic number.

67537916379 is a deficient number, since it is larger than the sum of its proper divisors (30016851737).

67537916379 is a wasteful number, since it uses less digits than its factorization.

67537916379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504212937 (or 7504212934 counting only the distinct ones).

The product of its digits is 45008460, while the sum is 63.

The spelling of 67537916379 in words is "sixty-seven billion, five hundred thirty-seven million, nine hundred sixteen thousand, three hundred seventy-nine".