1038621145747 has 16 divisors (see below), whose sum is σ = 1082352015360. Its totient is φ = 995778011200.

The previous prime is 1038621145739. The next prime is 1038621145759. The reversal of 1038621145747 is 7475411268301.

It is a cyclic number.

It is not a de Polignac number, because 1038621145747 - 2³ = 1038621145739 is a prime.

It is a super-2 number, since 2×1038621145747² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1038621145747.

It is not an unprimeable number, because it can be changed into a prime (1038021145747) 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, 7241622 + ... + 7383652.

It is an arithmetic number, because the mean of its divisors is an integer number (67647000960).

Almost surely, 2^{1038621145747} is an apocalyptic number.

1038621145747 is a deficient number, since it is larger than the sum of its proper divisors (43730869613).

1038621145747 is a wasteful number, since it uses less digits than its factorization.

1038621145747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145154.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 1038621145747 in words is "one trillion, thirty-eight billion, six hundred twenty-one million, one hundred forty-five thousand, seven hundred forty-seven".