2501669401 has 8 divisors (see below), whose sum is σ = 3118964544. Its totient is φ = 1949352720.

The previous prime is 2501669399. The next prime is 2501669431. The reversal of 2501669401 is 1049661052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2501669401 - 2¹ = 2501669399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501669431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16244530 + ... + 16244683.

It is an arithmetic number, because the mean of its divisors is an integer number (389870568).

Almost surely, 2^2501669401 is an apocalyptic number.

It is an amenable number.

2501669401 is a deficient number, since it is larger than the sum of its proper divisors (617295143).

2501669401 is a wasteful number, since it uses less digits than its factorization.

2501669401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32489231.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2501669401 is about 50016.6912240304. The cubic root of 2501669401 is about 1357.5108378452.

The spelling of 2501669401 in words is "two billion, five hundred one million, six hundred sixty-nine thousand, four hundred one".