2500378901237 has 4 divisors (see below), whose sum is σ = 2857575887136. Its totient is φ = 2143181915340.

The previous prime is 2500378901201. The next prime is 2500378901257. The reversal of 2500378901237 is 7321098730052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2500378901237 - 2¹⁸ = 2500378639093 is a prime.

It is a super-2 number, since 2×2500378901237² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2500378901191 and 2500378901200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500378901257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178598492939 + ... + 178598492952.

It is an arithmetic number, because the mean of its divisors is an integer number (714393971784).

Almost surely, 2^{2500378901237} is an apocalyptic number.

It is an amenable number.

2500378901237 is a deficient number, since it is larger than the sum of its proper divisors (357196985899).

2500378901237 is an equidigital number, since it uses as much as digits as its factorization.

2500378901237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357196985898.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 2500378901237 in words is "two trillion, five hundred billion, three hundred seventy-eight million, nine hundred one thousand, two hundred thirty-seven".