4261551902 has 4 divisors (see below), whose sum is σ = 6392327856. Its totient is φ = 2130775950.

The previous prime is 4261551881. The next prime is 4261551947. The reversal of 4261551902 is 2091551624.

It is a happy number.

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

It is a super-2 number, since 2×4261551902² = 36321649226879635208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065387974 + ... + 1065387977.

It is an arithmetic number, because the mean of its divisors is an integer number (1598081964).

Almost surely, 2^4261551902 is an apocalyptic number.

4261551902 is a deficient number, since it is larger than the sum of its proper divisors (2130775954).

4261551902 is a wasteful number, since it uses less digits than its factorization.

4261551902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130775953.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 4261551902 is about 65280.5629724499. The cubic root of 4261551902 is about 1621.2721681730.

The spelling of 4261551902 in words is "four billion, two hundred sixty-one million, five hundred fifty-one thousand, nine hundred two".