780481149131 has 2 divisors, whose sum is σ = 780481149132. Its totient is φ = 780481149130.

The previous prime is 780481149017. The next prime is 780481149191. The reversal of 780481149131 is 131941184087.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 780481149131 - 2²² = 780476954827 is a prime.

It is a super-2 number, since 2×780481149131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (780481149191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390240574565 + 390240574566.

It is an arithmetic number, because the mean of its divisors is an integer number (390240574566).

Almost surely, 2^780481149131 is an apocalyptic number.

780481149131 is a deficient number, since it is larger than the sum of its proper divisors (1).

780481149131 is an equidigital number, since it uses as much as digits as its factorization.

780481149131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 780481149131 in words is "seven hundred eighty billion, four hundred eighty-one million, one hundred forty-nine thousand, one hundred thirty-one".