2662500421 has 8 divisors (see below), whose sum is σ = 3100270464. Its totient is φ = 2239083600.

The previous prime is 2662500377. The next prime is 2662500431. The reversal of 2662500421 is 1240052662.

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

It is a cyclic number.

It is not a de Polignac number, because 2662500421 - 2¹¹ = 2662498373 is a prime.

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 2662500421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662500431) 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, 3587905 + ... + 3588646.

It is an arithmetic number, because the mean of its divisors is an integer number (387533808).

Almost surely, 2^2662500421 is an apocalyptic number.

It is an amenable number.

2662500421 is a deficient number, since it is larger than the sum of its proper divisors (437770043).

2662500421 is an equidigital number, since it uses as much as digits as its factorization.

2662500421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176611.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2662500421 is about 51599.4226808789. The cubic root of 2662500421 is about 1385.9999939268. Note that the first 5 decimals are identical.

The spelling of 2662500421 in words is "two billion, six hundred sixty-two million, five hundred thousand, four hundred twenty-one".