3948007493995 has 64 divisors (see below), whose sum is σ = 5129872128000. Its totient is φ = 2907698466816.

The previous prime is 3948007493953. The next prime is 3948007493999. The reversal of 3948007493995 is 5993947008493.

It is a cyclic number.

It is not a de Polignac number, because 3948007493995 - 2¹¹ = 3948007491947 is a prime.

It is a super-2 number, since 2×3948007493995² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3948007493999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 748718679 + ... + 748723951.

It is an arithmetic number, because the mean of its divisors is an integer number (80154252000).

Almost surely, 2^{3948007493995} is an apocalyptic number.

3948007493995 is a deficient number, since it is larger than the sum of its proper divisors (1181864634005).

3948007493995 is a wasteful number, since it uses less digits than its factorization.

3948007493995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932.

The product of its (nonzero) digits is 264539520, while the sum is 70.

The spelling of 3948007493995 in words is "three trillion, nine hundred forty-eight billion, seven million, four hundred ninety-three thousand, nine hundred ninety-five".