7401923797 has 2 divisors, whose sum is σ = 7401923798. Its totient is φ = 7401923796.

The previous prime is 7401923761. The next prime is 7401923839. The reversal of 7401923797 is 7973291047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7322909476 + 79014321 = 85574^2 + 8889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7401923797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7401923797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7401923197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3700961898 + 3700961899.

It is an arithmetic number, because the mean of its divisors is an integer number (3700961899).

Almost surely, 2^7401923797 is an apocalyptic number.

It is an amenable number.

7401923797 is a deficient number, since it is larger than the sum of its proper divisors (1).

7401923797 is an equidigital number, since it uses as much as digits as its factorization.

7401923797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 7401923797 is about 86034.4337867112. The cubic root of 7401923797 is about 1948.8640148377.

The spelling of 7401923797 in words is "seven billion, four hundred one million, nine hundred twenty-three thousand, seven hundred ninety-seven".