2621606254 has 8 divisors (see below), whose sum is σ = 3932893800. Its totient is φ = 1310641656.

The previous prime is 2621606249. The next prime is 2621606287. The reversal of 2621606254 is 4526061262.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59304 + ... + 93595.

It is an arithmetic number, because the mean of its divisors is an integer number (491611725).

Almost surely, 2^2621606254 is an apocalyptic number.

2621606254 is a deficient number, since it is larger than the sum of its proper divisors (1311287546).

2621606254 is a wasteful number, since it uses less digits than its factorization.

2621606254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161474.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2621606254 is about 51201.6235484774. The cubic root of 2621606254 is about 1378.8673500427.

The spelling of 2621606254 in words is "two billion, six hundred twenty-one million, six hundred six thousand, two hundred fifty-four".