47251021094 has 4 divisors (see below), whose sum is σ = 70876531644. Its totient is φ = 23625510546.

The previous prime is 47251021087. The next prime is 47251021117. The reversal of 47251021094 is 49012015274.

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

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, 11812755272 + ... + 11812755275.

It is an arithmetic number, because the mean of its divisors is an integer number (17719132911).

Almost surely, 2^47251021094 is an apocalyptic number.

47251021094 is a deficient number, since it is larger than the sum of its proper divisors (23625510550).

47251021094 is a wasteful number, since it uses less digits than its factorization.

47251021094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23625510549.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 47251021094 its sum of digits (35), we get a square (47251021129 = 217373²).

The spelling of 47251021094 in words is "forty-seven billion, two hundred fifty-one million, twenty-one thousand, ninety-four".