2631401923 has 8 divisors (see below), whose sum is σ = 2727115776. Its totient is φ = 2536365000.

The previous prime is 2631401909. The next prime is 2631402013. The reversal of 2631401923 is 3291041362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2631401923 - 2¹³ = 2631393731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631401723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161311 + ... + 176872.

It is an arithmetic number, because the mean of its divisors is an integer number (340889472).

Almost surely, 2^2631401923 is an apocalyptic number.

2631401923 is a deficient number, since it is larger than the sum of its proper divisors (95713853).

2631401923 is a wasteful number, since it uses less digits than its factorization.

2631401923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338465.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2631401923 is about 51297.1921551268. The cubic root of 2631401923 is about 1380.5826012718.

The spelling of 2631401923 in words is "two billion, six hundred thirty-one million, four hundred one thousand, nine hundred twenty-three".