47121037739 has 2 divisors, whose sum is σ = 47121037740. Its totient is φ = 47121037738.

The previous prime is 47121037703. The next prime is 47121037751. The reversal of 47121037739 is 93773012174.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47121037739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47121037739.

It is not a weakly prime, because it can be changed into another prime (47121031739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23560518869 + 23560518870.

It is an arithmetic number, because the mean of its divisors is an integer number (23560518870).

Almost surely, 2^47121037739 is an apocalyptic number.

47121037739 is a deficient number, since it is larger than the sum of its proper divisors (1).

47121037739 is an equidigital number, since it uses as much as digits as its factorization.

47121037739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 47121037739 in words is "forty-seven billion, one hundred twenty-one million, thirty-seven thousand, seven hundred thirty-nine".