1018698958951 has 2 divisors, whose sum is σ = 1018698958952. Its totient is φ = 1018698958950.

The previous prime is 1018698958889. The next prime is 1018698958967. The reversal of 1018698958951 is 1598598968101.

1018698958951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1018698958951 - 2³⁹ = 468943145063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1018698958451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509349479475 + 509349479476.

It is an arithmetic number, because the mean of its divisors is an integer number (509349479476).

Almost surely, 2^{1018698958951} is an apocalyptic number.

1018698958951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018698958951 is an equidigital number, since it uses as much as digits as its factorization.

1018698958951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55987200, while the sum is 70.

The spelling of 1018698958951 in words is "one trillion, eighteen billion, six hundred ninety-eight million, nine hundred fifty-eight thousand, nine hundred fifty-one".