46979896849 has 2 divisors, whose sum is σ = 46979896850. Its totient is φ = 46979896848.

The previous prime is 46979896757. The next prime is 46979896867. The reversal of 46979896849 is 94869897964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29412250000 + 17567646849 = 171500^2 + 132543^2 .

It is a cyclic number.

It is not a de Polignac number, because 46979896849 - 2³¹ = 44832413201 is a prime.

It is a super-2 number, since 2×46979896849² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46979890849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23489948424 + 23489948425.

It is an arithmetic number, because the mean of its divisors is an integer number (23489948425).

Almost surely, 2^46979896849 is an apocalyptic number.

It is an amenable number.

46979896849 is a deficient number, since it is larger than the sum of its proper divisors (1).

46979896849 is an equidigital number, since it uses as much as digits as its factorization.

46979896849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693052928, while the sum is 79.

The spelling of 46979896849 in words is "forty-six billion, nine hundred seventy-nine million, eight hundred ninety-six thousand, eight hundred forty-nine".