641402614 has 4 divisors (see below), whose sum is σ = 962103924. Its totient is φ = 320701306.

The previous prime is 641402603. The next prime is 641402651. The reversal of 641402614 is 416204146.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×641402614² = 822794626492065992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160350652 + ... + 160350655.

It is an arithmetic number, because the mean of its divisors is an integer number (240525981).

Almost surely, 2^641402614 is an apocalyptic number.

641402614 is a deficient number, since it is larger than the sum of its proper divisors (320701310).

641402614 is a wasteful number, since it uses less digits than its factorization.

641402614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320701309.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 641402614 is about 25325.9277026529. The cubic root of 641402614 is about 862.4029667217.

The spelling of 641402614 in words is "six hundred forty-one million, four hundred two thousand, six hundred fourteen".