47156249401 has 2 divisors, whose sum is σ = 47156249402. Its totient is φ = 47156249400.

The previous prime is 47156249351. The next prime is 47156249407. The reversal of 47156249401 is 10494265174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40804000000 + 6352249401 = 202000^2 + 79701^2 .

It is a cyclic number.

It is not a de Polignac number, because 47156249401 - 2¹⁵ = 47156216633 is a prime.

It is not a weakly prime, because it can be changed into another prime (47156249407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578124700 + 23578124701.

It is an arithmetic number, because the mean of its divisors is an integer number (23578124701).

Almost surely, 2^47156249401 is an apocalyptic number.

It is an amenable number.

47156249401 is a deficient number, since it is larger than the sum of its proper divisors (1).

47156249401 is an equidigital number, since it uses as much as digits as its factorization.

47156249401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 47156249401 in words is "forty-seven billion, one hundred fifty-six million, two hundred forty-nine thousand, four hundred one".