46421402947 has 2 divisors, whose sum is σ = 46421402948. Its totient is φ = 46421402946.

The previous prime is 46421402921. The next prime is 46421402953. The reversal of 46421402947 is 74920412464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46421402947 is a prime.

It is not a weakly prime, because it can be changed into another prime (46421402047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23210701473 + 23210701474.

It is an arithmetic number, because the mean of its divisors is an integer number (23210701474).

Almost surely, 2^46421402947 is an apocalyptic number.

46421402947 is a deficient number, since it is larger than the sum of its proper divisors (1).

46421402947 is an equidigital number, since it uses as much as digits as its factorization.

46421402947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 46421402947 in words is "forty-six billion, four hundred twenty-one million, four hundred two thousand, nine hundred forty-seven".