3149477623 has 2 divisors, whose sum is σ = 3149477624. Its totient is φ = 3149477622.

The previous prime is 3149477537. The next prime is 3149477651. The reversal of 3149477623 is 3267749413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3149477623 - 2²¹ = 3147380471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3149477663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574738811 + 1574738812.

It is an arithmetic number, because the mean of its divisors is an integer number (1574738812).

Almost surely, 2^3149477623 is an apocalyptic number.

3149477623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149477623 is an equidigital number, since it uses as much as digits as its factorization.

3149477623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The square root of 3149477623 is about 56120.2069044653. The cubic root of 3149477623 is about 1465.8161725481.

The spelling of 3149477623 in words is "three billion, one hundred forty-nine million, four hundred seventy-seven thousand, six hundred twenty-three".