2500034191938 has 48 divisors (see below), whose sum is σ = 5572917038520. Its totient is φ = 809396782848.

The previous prime is 2500034191913. The next prime is 2500034191973. The reversal of 2500034191938 is 8391914300052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1612958420529 + 887075771409 = 1270023^2 + 941847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2500034191893 and 2500034191902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2919645 + ... + 3677552.

Almost surely, 2^{2500034191938} is an apocalyptic number.

2500034191938 is an abundant number, since it is smaller than the sum of its proper divisors (3072882846582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2500034191938 is a wasteful number, since it uses less digits than its factorization.

2500034191938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597811 (or 6597808 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 2500034191938 in words is "two trillion, five hundred billion, thirty-four million, one hundred ninety-one thousand, nine hundred thirty-eight".