47391674394961 has 32 divisors (see below), whose sum is σ = 51486189221376. Its totient is φ = 43362648000000.

The previous prime is 47391674394959. The next prime is 47391674394979. The reversal of 47391674394961 is 16949347619374.

It is a cyclic number.

It is not a de Polignac number, because 47391674394961 - 2¹ = 47391674394959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47391674394661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1991151261 + ... + 1991175061.

It is an arithmetic number, because the mean of its divisors is an integer number (1608943413168).

Almost surely, 2^{47391674394961} is an apocalyptic number.

It is an amenable number.

47391674394961 is a deficient number, since it is larger than the sum of its proper divisors (4094514826415).

47391674394961 is a wasteful number, since it uses less digits than its factorization.

47391674394961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26113.

The product of its digits is 740710656, while the sum is 73.

The spelling of 47391674394961 in words is "forty-seven trillion, three hundred ninety-one billion, six hundred seventy-four million, three hundred ninety-four thousand, nine hundred sixty-one".