7403813790025 has 9 divisors (see below), whose sum is σ = 9180745969831. Its totient is φ = 5923040148040.

The previous prime is 7403813789971. The next prime is 7403813790047. The reversal of 7403813790025 is 5200973183047.

The square root of 7403813790025 is 2720995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2665372964409 + 4738440825616 = 1632597^2 + 2176796^2 .

It is not a de Polignac number, because 7403813790025 - 2⁹ = 7403813789513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13332876 + ... + 13877074.

Almost surely, 2^{7403813790025} is an apocalyptic number.

7403813790025 is the 2720995-th square number.

7403813790025 is the 1360498-th centered octagonal number.

It is an amenable number.

7403813790025 is a deficient number, since it is larger than the sum of its proper divisors (1776932179806).

7403813790025 is an frugal number, since it uses more digits than its factorization.

7403813790025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088408 (or 544204 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

Multiplying 7403813790025 by its sum of digits (49), we get a square (362786875711225 = 19046965²).

The spelling of 7403813790025 in words is "seven trillion, four hundred three billion, eight hundred thirteen million, seven hundred ninety thousand, twenty-five".