1953741901 has 2 divisors, whose sum is σ = 1953741902. Its totient is φ = 1953741900.

The previous prime is 1953741887. The next prime is 1953741941. The reversal of 1953741901 is 1091473591.

It is an a-pointer prime, because the next prime (1953741941) can be obtained adding 1953741901 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1451533801 + 502208100 = 38099^2 + 22410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1953741901 - 2⁵ = 1953741869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1953741941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976870950 + 976870951.

It is an arithmetic number, because the mean of its divisors is an integer number (976870951).

Almost surely, 2^1953741901 is an apocalyptic number.

It is an amenable number.

1953741901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953741901 is an equidigital number, since it uses as much as digits as its factorization.

1953741901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 1953741901 is about 44201.1527112133. The cubic root of 1953741901 is about 1250.1315916931.

The spelling of 1953741901 in words is "one billion, nine hundred fifty-three million, seven hundred forty-one thousand, nine hundred one".