39456733452077 has 16 divisors (see below), whose sum is σ = 40527199764480. Its totient is φ = 38399883106032.

The previous prime is 39456733451981. The next prime is 39456733452113. The reversal of 39456733452077 is 77025433765493.

It is a cyclic number.

It is not a de Polignac number, because 39456733452077 - 2¹² = 39456733447981 is a prime.

It is a super-2 number, since 2×39456733452077² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39456733452677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19344308 + ... + 21286514.

It is an arithmetic number, because the mean of its divisors is an integer number (2532949985280).

Almost surely, 2^{39456733452077} is an apocalyptic number.

It is an amenable number.

39456733452077 is a deficient number, since it is larger than the sum of its proper divisors (1070466312403).

39456733452077 is a wasteful number, since it uses less digits than its factorization.

39456733452077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945712.

The product of its (nonzero) digits is 400075200, while the sum is 65.

The spelling of 39456733452077 in words is "thirty-nine trillion, four hundred fifty-six billion, seven hundred thirty-three million, four hundred fifty-two thousand, seventy-seven".