3961374164537 has 8 divisors (see below), whose sum is σ = 3973059620040. Its totient is φ = 3949691328000.

The previous prime is 3961374164479. The next prime is 3961374164569. The reversal of 3961374164537 is 7354614731693.

It can be written as a sum of positive squares in 4 ways, for example, as 538174828816 + 3423199335721 = 733604^2 + 1850189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3961374164537 - 2¹⁸ = 3961373902393 is a prime.

It is a super-2 number, since 2×3961374164537² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3961374164837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2395787 + ... + 3696287.

It is an arithmetic number, because the mean of its divisors is an integer number (496632452505).

Almost surely, 2^{3961374164537} is an apocalyptic number.

It is an amenable number.

3961374164537 is a deficient number, since it is larger than the sum of its proper divisors (11685455503).

3961374164537 is a wasteful number, since it uses less digits than its factorization.

3961374164537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309483.

The product of its digits is 34292160, while the sum is 59.

The spelling of 3961374164537 in words is "three trillion, nine hundred sixty-one billion, three hundred seventy-four million, one hundred sixty-four thousand, five hundred thirty-seven".