1954364413 has 2 divisors, whose sum is σ = 1954364414. Its totient is φ = 1954364412.

The previous prime is 1954364393. The next prime is 1954364429. The reversal of 1954364413 is 3144634591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914762564 + 39601849 = 43758^2 + 6293^2 .

It is a cyclic number.

It is not a de Polignac number, because 1954364413 - 2⁵ = 1954364381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954364213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977182206 + 977182207.

It is an arithmetic number, because the mean of its divisors is an integer number (977182207).

Almost surely, 2^1954364413 is an apocalyptic number.

It is an amenable number.

1954364413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954364413 is an equidigital number, since it uses as much as digits as its factorization.

1954364413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 1954364413 is about 44208.1939576816. The cubic root of 1954364413 is about 1250.2643521971.

The spelling of 1954364413 in words is "one billion, nine hundred fifty-four million, three hundred sixty-four thousand, four hundred thirteen".